A toy child that is 7.45 cm tall is standing 13 cm from a concave mirror that has a focal length of 3 cm. What is the Magnification?

The necleus of an atom is made up of what subatomic particles?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87